I-39/90 Expansion Project

Illinois state line to Madison, Dane and Rock counties

Latest News

Weekly Construction Update: May 21-25

Updated: May 22, 2018

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All lane restrictions and work operations are weather dependent and subject to change.

Two lanes remain open to traffic on I-39/90 (in each direction) during daytime hours and weekends.

NOTE: Next week Monday through Friday, nightly single lane closures (8 p.m. – 5 a.m.) are planned on I-39/90 northbound and southbound in the following work zones, unless noted otherwise. Minor delays may occur during these lane closures.

I-39/90 northbound expansion (E. Church Road north of the US 51 interchange (Stoughton Exit 156) to County AB), Edgerton to Madison
County MN, Drotning Road, County W and County B underpasses
Anticipated construction completion: Mid-November 2018

  • View the I-39/90 construction activities in this area.
    • Demolition of the old I-39/90 northbound bridges over County W and Drotning Road.
    • Bridge piling underway and MSE walls for the new bridge over County MN.
    • Construct the substructure of the bridge over County B
    • Crews are installing a box culvert under the County N interchange.
    • Pavement removal and grading ongoing on old lanes of I-39/90 northbound within these limits.
  • All I-39/90 traffic is located on the southbound side of the Interstate between East Church Road, north of the US 51 interchange (Stoughton Exit 156), and County AB.
    • Two lanes remain open in each direction, separated by a median barrier wall.
    • Be alert for crossovers, don’t tailgate and drive with caution through this area!
  • County MN under I-39/90 is CLOSED until fall 2018. Alternate routes are required; follow the posted detour.
  • Drotning Road under I-39/90 is CLOSED until fall 2018. Alternate local routes are required.
  • County W under I-39/90 is OPEN to traffic.
  • County B under I-39/90 is CLOSED until fall 2018.

I-39/90 southbound expansion (E. Church Road north of the US 51 interchange (Stoughton Exit 156) to the Dane/Rock County line), near Edgerton
Anticipated construction completion: November 2018

  • View the I-39/90 construction operations in this area.
    • Pavement removal and grading underway on the old I-39/90 southbound lanes.
    • Culvert pipe installation has begun as well as erosion control work.
    • Be alert for crews and equipment in the area.
  • All I-39/90 traffic is shifted onto the newly completed northbound side of the Interstate between the Dane/Rock County line and East Church Road, north of the US 51 interchange (Stoughton Exit 156).
    • Two lanes remain open in each direction, separated by a median barrier wall.
  • All ramps at the US 51 interchange (Stoughton Exit 156) and WIS 73/US 51 interchange (Exit 160) remain open via temporary connections.
    • Occasional nighttime ramp closures may occur during construction season. Information will be provided on message boards and this email list prior to overnight closures.
  • Lake Drive under I-39/90 in Edgerton anticipated to be CLOSED from Monday, June 4 to early October 2018 for bridge construction over the roadway (weather-permitting).
    • Alternate local routes are required during this long-term closure. Emergency access to be provided to police, fire and EMS.

I-39/90 and Rock River bridges, near Edgerton and Newville
Anticipated construction completion: Late summer 2018

  • All I-39/90 traffic located on northbound lanes and bridge over the Rock River. Be alert for crossovers in this area, and please stay in your lane!
    • Two lanes remain open in each direction on I-39/90, separated by a median barrier wall.
  • Be alert for the new ramp location from I-39/90 southbound to WIS 59 (Exit 163).
  • View Interstate and Rock River bridge operations.
    • Deck pour complete for the new I-39/90 southbound bridge over the river. Clean water to drip for the deck cure.
    • Concrete paving and grading operations underway for the new I-39/90 southbound lanes.
    • Download the Rock River Bridge, Boater Navigation Guide!
    • Navigational buoys are placed in the river under I-39/90. Boaters should slow down (this area is no wake), and be alert for construction crews and work taking place.
  • Ellendale Road under I-39/90 along the Rock River is OPEN to traffic. Flagging operations will occur periodically as crews unload trucks and reach material stored along the road.
    • The work operations are weather dependent and subject to change.

Temporary widening on I-39/90 northbound (Townline Road to Rock River bridges), Janesville to Edgerton
Townline Road and County M underpasses
Anticipated construction completion: November 2018

  • View temporary widening activities.
    • Grading and asphalt paving to occur during overnight hours.
  • Townline Road under I-39/90 near Milton is scheduled to be CLOSED from Tuesday, May 29 to mid-July 2018.
    • Alternate local routes are required during this long-term closure.
  • County M under the Interstate is anticipated to be CLOSED from early August to early October 2018.
    • Alternate routes are required, such as the signed detour of WIS 59 and US 51.

I-39/90 northbound expansion (Hart Road bridge over I-39/90 to US 14/Humes Road interchange), Beloit to Janesville
Anticipated construction completion: Spring 2020

  • TRAFFIC ALERT: I-39/90 southbound (eastbound) is CLOSED between the WIS 11/Avalon Road and County S/Shopiere Road interchanges.
  • All I-39/90 traffic shifted to southbound side of the Interstate, between Hart Road near Beloit and the US 14/Humes Road interchange in Janesville.
    • Two lanes remain open in each direction, separated by a median barrier wall.
    • Be alert for crossovers, don’t tailgate and drive with caution through this area!
  • The Green Valley Drive and Randolph Road intersection, east of I-39/90 in Janesville, is anticipated to OPEN on Monday afternoon (May 21).
    • Be alert for crews and equipment in the area.
  • Townline Road under I-39/90 is CLOSED on Monday (May 21) and Tuesday (May 22) for girder setting (weather-permitting).
    • Alternate local routes are required.
  • View I-39/90 construction activities between Beloit and Janesville.
    • Between Hart Road and WIS 11, crews will be installing temporary shoring for the construction of future northbound lanes.
    • Storm sewer work ongoing between Turtle Creek and Hart Road.
    • Crews will begin placing aggregate between Hart Road and Shopiere Road.
    • Turtle Creek: Crews will tentatively start to demo the bridge this week.
    • Townline Road: Concrete girders are scheduled to be set early next week. Townline Road will be CLOSED Monday (May 21st) and Tuesday (May 22nd) for girder setting (weather-permitting). Once girders are set then crews will start decking.
    • Union Pacific Railroad: Crews will continue installing shoring for the piers and at the end of the week piling for the pier will begin.
    • County O: Demolition of the northbound bridge deck is underway. County O is expected to be CLOSED late next week as crews remove the bridge over the roadway.
    • Palmer Drive: Piling is complete for the south abutment work. Crews to begin building the MSE walls.
    • Spring Brook: Decking will be removed next week, and work will begin next week on the approach slabs and parapets.
    • Ruger Avenue: Deck pour to occur Friday (May 18)
    • East Milwaukee Street: Deck work to begin during week of May 14-18.
    • Mount Zion Avenue: North abutment complete. Girders to be set next week.
    • Storm sewer work ongoing under I-39/90 between Palmer Drive and Ruger Avenue.
    • Noise barrier: Grading and post installation along the new lanes of I-39/90 northbound in Janesville will occur for the next several weeks.
  • Spring Brook/Ice Age National Scenic Trail under I-39/90 CLOSED until mid-May 2018 – weather-permitting.
    • Bicyclists and pedestrians should follow posted detour route.